Patent US3846569A successfully refreshed from Google Patents.
US3846569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a disposable precharged coffee bag
Assignee: Owatonna Tool Co
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Filing: 1972-10-06
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Granted: 1974-11-05
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Expires: 1992-10-06
Abstract
Abstract A method of making a precharged disposable coffee bag wherein the bag is made from porous, heat sealable paper or the like either from a single web formed into a tube or from two webs of such material wherein the bag is given one seal which is semiannular followed by partial filling of the resultant arcuate pocket with ground coffee and then completion of the bag as caused by a second sealing operation which makes a straight-line seal to form a semicircular bag.
Inventors
- 👤 R Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:36
CPC Classifications
B; B65; B65B; B65B29/00; B65B29/02; B65B29/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
233 words
THE METHOD OF MAKING A DISPOSABLE SEMIANNULAR PRECHARGED COFFEE BAG OF POROUS SEALABLE PAPER OR THE LIKE COMPRISING, FEEDING A PAIR OF WEB SECTIONS OF SAID PAPER INTO FACETO-FACE RELATION AND AT OPPOSITE SIDES OF A DOWNWARDLYDEPENDING COFFEE CHARGING CHUTE, A FIRST SEALING STEP OF SEALING SAID PAIR OF WEB SECTIONS TOGETHER ACROSS THEIR WIDTH INCLUDING A SEMICIRCULAR CONCAVE SEALING LINE TO LEAVE AN UPWARDLY-OPEN PROCKET IMMEDIATELY BENEATH THE DISCHRAGE END OF SAID CHUTE WITH A FILLING OPENING THE FULL WIDTH OPENING WITH A CHARGE OF SAID POCKET THROUGH THE FULL WIDTH OPENING WITHA A CHARGE OF GROUND COFFEE ISSUING FROM THE DISCHARGE END OF SAID CHUTE OF PARTIALLY FILL THE POCKET, SEALING SAID WEB SECTIONS TOGEHTER ALONG A GENERALLY STRAIGHT LINE ABOVE THE LEVEL OF THE COFFEE IN SAID POCKET TO CLOSE OFF SAID POCKET AND FORM A SEALED BAND OF SAID WEB SECTIONS AND AT THE SAME TIME PERFORM SAID FIRST SEALING STEP FOR THE NEXT OF SAID UPWARDLY-UPON POCKETS, FORMING AN EXTENSION OF SAID SEALED BAND EXTENDING INTO SAID POCKET AND FORMING A HOLE THEREIN TO FIT THE RISER OF A PERCOLATOR WITH A PORTION OF SAID BAND EXTENDING OUTWARDLY BEYOND SAID HOLE IN ORDER TO OVERLAP WITH ANOTHER SIMILAR COFFEE BAG, AND MOVING SAID WEB SECTIONS A SHORT DISTANCE TO MOVE THE NEWLYFORMED POCKET A DISTANCE TO POSITION THE FULL WIDTH OPENING BENEATH THE DISCHARGE END OF SAID CHUTE.
Claim 2
Independent Claim
233 words
THE METHOD OF MAKING A DISPOSABLE SEMIANNULAR PRECHARGED COFFEE BAG OF POROUS SEALABLE PAPER OR THE LIKE COMPRISING, FEEDING A PAIR OF WEB SECTIONS OF SAID PAPER INTO FACETO-FACE RELATION AND AT OPPOSITE SIDES OF A DOWNWARDLYDEPENDING COFFEE CHARGING CHUTE, A FIRST SEALING STEP OF SEALING SAID PAIR OF WEB SECTIONS TOGETHER ACROSS THEIR WIDTH INCLUDING A SEMICIRCULAR CONCAVE SEALING LINE TO LEAVE AN UPWARDLY-OPEN PROCKET IMMEDIATELY BENEATH THE DISCHRAGE END OF SAID CHUTE WITH A FILLING OPENING THE FULL WIDTH OPENING WITH A CHARGE OF SAID POCKET THROUGH THE FULL WIDTH OPENING WITHA A CHARGE OF GROUND COFFEE ISSUING FROM THE DISCHARGE END OF SAID CHUTE OF PARTIALLY FILL THE POCKET, SEALING SAID WEB SECTIONS TOGEHTER ALONG A GENERALLY STRAIGHT LINE ABOVE THE LEVEL OF THE COFFEE IN SAID POCKET TO CLOSE OFF SAID POCKET AND FORM A SEALED BAND OF SAID WEB SECTIONS AND AT THE SAME TIME PERFORM SAID FIRST SEALING STEP FOR THE NEXT OF SAID UPWARDLY-UPON POCKETS, FORMING AN EXTENSION OF SAID SEALED BAND EXTENDING INTO SAID POCKET AND FORMING A HOLE THEREIN TO FIT THE RISER OF A PERCOLATOR WITH A PORTION OF SAID BAND EXTENDING OUTWARDLY BEYOND SAID HOLE IN ORDER TO OVERLAP WITH ANOTHER SIMILAR COFFEE BAG, AND MOVING SAID WEB SECTIONS A SHORT DISTANCE TO MOVE THE NEWLYFORMED POCKET A DISTANCE TO POSITION THE FULL WIDTH OPENING BENEATH THE DISCHARGE END OF SAID CHUTE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |